You can easily create a group email in Gmail and send an email to a group of contacts at once with a few clicks.

You can open Google Hangouts in Gmail to chat with others, but you will need to send an invite if the contact is not yet on Hangouts.

My Gmail inbox was once a chaotic mix of endless marketing emails, social media notifications, bills, receipts, and occasional important messages. It was overwhelming, time-consuming, and unproductive ...